Sharp CD-BA3100 (serv.man4) Service Manual ▷ View online
CD-BA3100
– 20 –
43
44
41
33
32
47
46
28
10
Mark position
11
45
42
LIFT GEAR A
30
TRAY DRIVE GEAR F
TRAY DRIVE GEAR F
35
TRAY JOINT GEAR F
TRAY JOINT GEAR F
35
TRAY JOINT GEAR F
TRAY JOINT GEAR F
02
CHANGE BOX L
CHANGE BOX L
*1
30
TRAY DRIVE GEAR F
TRAY DRIVE GEAR F
40
LIFT CAM
LIFT CAM
40
LIFT CAM
30
TRAY DRIVE GEAR F
TRAY DRIVE GEAR F
35
TRAY JOINT GEAR F
TRAY JOINT GEAR F
37
°
*2
TRAY JOINT GEAR F
(CHANGE BOX L ASS'Y) ASSEMBLING POSITION
LIFT CAM
(CHANGE BOX L ASS'Y) ASSEMBLING POSITION
LIFT CAM
Direct the recess part (trapezoidal side)
of the axis 35 in this direction.
of the axis 35 in this direction.
Assembling procedure
1. Turn the mode big gear approx. 37 degrees in the arrow direction.
2. Assemble the change box L ass'y.
Note: At this time, the tray joint gear F must be located in the position shown in figure.
Moreover, the gear must be engaged securely.
3. After assembly, return the mode big gear to the initial position.
4. Assemble the lift cam.
Note: At this time, the lift cam (No.40) must be located in the position shown in figure 20.
2. Assemble the change box L ass'y.
Note: At this time, the tray joint gear F must be located in the position shown in figure.
Moreover, the gear must be engaged securely.
3. After assembly, return the mode big gear to the initial position.
4. Assemble the lift cam.
Note: At this time, the lift cam (No.40) must be located in the position shown in figure 20.
Scale: 2 magnifications
*1: To position the axis part
of 35, engage it with 33.
of 35, engage it with 33.
*2: When it is aligned as
described in *1, the hatched part
(low gear-height part of gear)
will be positioned as shown.
described in *1, the hatched part
(low gear-height part of gear)
will be positioned as shown.
Since this gear engagement is not
visually checked, verify that it does
not float when the gear box L is installed.
visually checked, verify that it does
not float when the gear box L is installed.
Scale: 2 magnifications
During assembly, make the
O part visible in this direction.
O part visible in this direction.
Note: Among 4 ribs on the
circumference, one rib alone
is provided with O.
circumference, one rib alone
is provided with O.
Figure 20
– 21 –
CD-BA3100
Figure 21
43
41
33
32
47
46
10
Mark position
11
45
42
LIFT GEAR A
30
35
40
80
TOP PLATE F
TOP PLATE F
80
TOP PLATE F
TOP PLATE F
240
OS LEVER
OS LEVER
40
44
30
35
,,
,,
,,
,,
,,
,,
,,
When the height of
STB holder is low,
STB holder is low,
(Increase the clearance.)
Bend this part.
When the height of
STB holder is high,
STB holder is high,
(Decrease the clearance.)
Scale: 2 magnifications
Details
Bend this part to adjust the height of the STB holder.
Adjusting procedure
1. Turn the mode big gear approx. 37 degrees in the arrow direction.
2. Viewing from the front side of the mechanism, verify that the guide ribs
(CHANGE BOX L/R and STB HOLDER) of tray are as tall as each other.
3. If they are not, bend the lever for adjustment. (Refer to the details.)
Note: Also apply the same adjustment on the R side.
2. Viewing from the front side of the mechanism, verify that the guide ribs
(CHANGE BOX L/R and STB HOLDER) of tray are as tall as each other.
3. If they are not, bend the lever for adjustment. (Refer to the details.)
Note: Also apply the same adjustment on the R side.
Height of the rib
37
°
STB HOLDER HEIGHT ADJUSTING METHOD
CD-BA3100
– 22 –
Measure to be taken when a disc cannot be removed due to a mechanism trouble
First, remove the mechanism unit section from the set, and check for the state of the disc.
(Remove the top plate R if necessary.)
<State of the disc>
(1) When the disc is in the normal PLAY (chucking) position -> Try to eject the disc by turning the mode big gear/tray big gear
(Remove the top plate R if necessary.)
<State of the disc>
(1) When the disc is in the normal PLAY (chucking) position -> Try to eject the disc by turning the mode big gear/tray big gear
manually.
* At this time, be sure to adjust the tray's position (height).
(2) When the disc is in the normal STOCK position -> Try to eject the disc by turning the tray big gear manually.
* At this time, be sure to adjust the tray's position (height).
(3) When the disc is not in the normal position -> The tray or disc is not in the normal position. (The tray or disc may catch
(2) When the disc is in the normal STOCK position -> Try to eject the disc by turning the tray big gear manually.
* At this time, be sure to adjust the tray's position (height).
(3) When the disc is not in the normal position -> The tray or disc is not in the normal position. (The tray or disc may catch
somewhere.)
Remove the TOP PLATE F/DISC OB lever.
Unlock the tray lock lever and pull out the tray which is not caught.
Move the caught tray or disc and remove the disc.
Unlock the tray lock lever and pull out the tray which is not caught.
Move the caught tray or disc and remove the disc.
In case of (1) and (2), the mechanism is normal (defective circuit parts, etc.). However, it may stop somewhere.
This is the reason why you should try to turn the tray big gear first.
In case of (3), either of the big gears does not turn.
This is the reason why you should try to turn the tray big gear first.
In case of (3), either of the big gears does not turn.
Figure 22
43
41
33
32
91~96
TRAY1~TRAY6
TRAY1~TRAY6
47
46
10
Mark position
11
45
42
LIFT GEAR A
30
35
40
40
44
30
35
,,,,
,,,,
,,,,
,,
,,
,,
Insert it along the guide of
the change box.
the change box.
TRAY 6
TRAY 5
TRAY 4
TRAY 3
TRAY 2
TRAY 1
TRAY No.1~6
Be sure to assemble the tray into this position.
Tray installing method: (After adjusting the height of the STB holder)
1. Turn the mode big gear to the mark position to lower the STB holder to the bottom area.
2. From the front side, install the tray. (Securely insert it to the lock position.)
2. From the front side, install the tray. (Securely insert it to the lock position.)
Rear surface: Stamped.
Note: During insertion,
Do not accidentally rearrange
tray numbers.
Do not accidentally rearrange
tray numbers.
Rear side
CD-BA3100
– 22 –
Measure to be taken when a disc cannot be removed due to a mechanism trouble
First, remove the mechanism unit section from the set, and check for the state of the disc.
(Remove the top plate R if necessary.)
<State of the disc>
(1) When the disc is in the normal PLAY (chucking) position -> Try to eject the disc by turning the mode big gear/tray big gear
(Remove the top plate R if necessary.)
<State of the disc>
(1) When the disc is in the normal PLAY (chucking) position -> Try to eject the disc by turning the mode big gear/tray big gear
manually.
* At this time, be sure to adjust the tray's position (height).
(2) When the disc is in the normal STOCK position -> Try to eject the disc by turning the tray big gear manually.
* At this time, be sure to adjust the tray's position (height).
(3) When the disc is not in the normal position -> The tray or disc is not in the normal position. (The tray or disc may catch
(2) When the disc is in the normal STOCK position -> Try to eject the disc by turning the tray big gear manually.
* At this time, be sure to adjust the tray's position (height).
(3) When the disc is not in the normal position -> The tray or disc is not in the normal position. (The tray or disc may catch
somewhere.)
Remove the TOP PLATE F/DISC OB lever.
Unlock the tray lock lever and pull out the tray which is not caught.
Move the caught tray or disc and remove the disc.
Unlock the tray lock lever and pull out the tray which is not caught.
Move the caught tray or disc and remove the disc.
In case of (1) and (2), the mechanism is normal (defective circuit parts, etc.). However, it may stop somewhere.
This is the reason why you should try to turn the tray big gear first.
In case of (3), either of the big gears does not turn.
This is the reason why you should try to turn the tray big gear first.
In case of (3), either of the big gears does not turn.
Figure 22
43
41
33
32
91~96
TRAY1~TRAY6
TRAY1~TRAY6
47
46
10
Mark position
11
45
42
LIFT GEAR A
30
35
40
40
44
30
35
,,,,
,,,,
,,,,
,,
,,
,,
Insert it along the guide of
the change box.
the change box.
TRAY 6
TRAY 5
TRAY 4
TRAY 3
TRAY 2
TRAY 1
TRAY No.1~6
Be sure to assemble the tray into this position.
Tray installing method: (After adjusting the height of the STB holder)
1. Turn the mode big gear to the mark position to lower the STB holder to the bottom area.
2. From the front side, install the tray. (Securely insert it to the lock position.)
2. From the front side, install the tray. (Securely insert it to the lock position.)
Rear surface: Stamped.
Note: During insertion,
Do not accidentally rearrange
tray numbers.
Do not accidentally rearrange
tray numbers.
Rear side
Display